Home / 3,221.18-4,825.05-2,050.58

Finding the Fourth Proportional to 3,221.18, 4,825.05 and 2,050.58

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Solution

The fourth proportional to 3,221.18, 4,825.05 and 2,050.58 is: 3,071.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.18 : 4,825.05 = 2,050.58 : x
  2. Step 2: Convert to fraction form
    3,221.18/4,825.05 = 2,050.58/x
  3. Step 3: Cross multiply
    3,221.18x = 4,825.05 × 2,050.58
  4. Step 4: Simplify right side
    3,221.18x = 9,894,151.03
  5. Step 5: Solve for x
    x = 9,894,151.03/3,221.18
  6. Step 6: Final answer
    x = 3,071.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.